User Guide

Sixfab Raspberry Pi 3G-4G/LTE Base HAT

Figure 1: Raspberry Pi Base HAT Header Options

works greatly. For knowing what you missing without headers, take a look at the Pinout Diagram of the HAT,

these pins will be unconnected.

Technical Details

Connection Types

USB:

Most of Mini PCIe modules have USB driver for Android, Linux, and Windows operating systems. The Base

HAT that loaded with a module like Quectel EC25 LTE, can be attached to a minicomputer(especially Raspberry

Pi), mobile phone or laptop with USB then works as a 3G/4G USB Dongle Modem. Drivers for modules, please

visit the module product pages.

UART:

If you insert one of the Quectel Mini PCIe modules, the UART pins will be available to use, with 3.3V

power domain, directly connected the UART port of Raspberry Pi. But the maximum data rate will be lower than

USB. It’ll be around 900 Kbit/s Downlink and Uplink (UART)